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#3affba

a balanced, electric green · cool · closest name: aquamarine

RGB
58, 255, 186
HSL
159°, 100%, 61%
CMYK
77, 0, 27, 0
Luminance
0.7596

Every format

HEX#3affba
RGBrgb(58, 255, 186)
HSLhsl(159, 100%, 61%)
CMYKcmyk(77%, 0%, 27%, 0%)
LABlab(89.8 -62.6 19.7)
LCHlch(89.8 65.7 162.5)
OKLCHoklch(0.891 0.179 163.7)

Copy-ready code

/* CSS */
color: #3affba;
background-color: #3affba;
/* Tailwind (arbitrary) */
class="text-[#3affba] bg-[#3affba]"
/* SCSS */
$brand: #3affba;
/* SwiftUI */
Color(red: 0.227, green: 1.000, blue: 0.729)
/* Android */
Color.parseColor("#3affba")

Accessibility — WCAG contrast

Aa
#3affba on white: 1.30:1
AA ✗ fail · AA-large · AAA
Aa
#3affba on black: 16.19:1
AA ✓ pass · AA-large · AAA
true color
protanopia
deuteranopia
tritanopia

RGB percentages

Red22.7%
Green100.0%
Blue72.9%

CMYK percentages

Cyan77.3%
Magenta0.0%
Yellow27.1%
Key (black)0.0%

Color previews

#3affba text on a black background

contrast 16.19:1

Card sample

#3affba text on a white background

contrast 1.30:1

Card sample

CSS3 live lab

Text font color

The quick brown fox

color: #3affba;
Background color
Panel with #3affba background
background-color: #3affba;
Text shadow — hex

Glowing headline

text-shadow: 2px 2px 8px #3affba;
Text shadow — RGB

Soft neon halo

text-shadow: 0 0 14px rgba(58, 255, 186, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(58, 255, 186, 0.45);
Border & gradient
Gradient panel
border: 3px solid #3affba;
background: linear-gradient(135deg, #3affba, #3AC1FF);

Monochromatic scale

Palettes built from #3affba

Shades — darker

Tints — lighter

Hue & tone neighbors

Color harmonies

Nearest named colors

Work with #3affba in the Color Lab